Golden Gate Bridge spanning the bay at sunset beside Fort Point in San Francisco

Cheap Flights from Chicago (ORD) to San Francisco (SFO)

  • About 1,842 miles
  • About 4.2 hours
  • Best months: May, Sep, Nov
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Looking for cheap flights to San Francisco from Chicago? Watch May, Sep and Nov for the best odds of a lower fare. The trip from ORD to SFO runs about 4.2 hours, and you can see Fisherman's Wharf and Golden Gate Park once you arrive.

Tips for finding a lower fare

  • Holiday weekends push fares up. If you can, travel outside them and stay flexible by a few days.
  • Sign up for airline fare emails from Alaska; flash sales on Chicago departures pop up often.
  • Allow extra time at ORD during peak travel hours.

Airlines on this route

Alaska, Delta, United

Things to see in San Francisco

  • Fisherman's Wharf
  • Golden Gate Park

Frequently asked questions

When is the cheapest time to fly from Chicago to San Francisco?

Fares on ORD to SFO are often lower in May, Sep and Nov. Prices move with demand, so compare a few dates on the partner site before you decide.

How long is the flight from ORD to SFO?

A nonstop flight takes about 4.2 hours. Itineraries with a connection take longer, depending on the layover.

Which airlines fly from Chicago to San Francisco?

Carriers we commonly see on this route include Alaska, Delta and United. Schedules and availability change, so check current options when you search.

How far ahead should I book ORD to SFO?

For most domestic trips, booking about 1 to 3 months ahead gives a good balance of price and choice. Holiday travel is better booked earlier.

Is the price I see here the final price?

No. Fares shown on this page are indicative and change often. The final price, taxes and fees are shown on the partner site at booking.

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